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Seismic ground motion analysis of Shanghai Pudong Airport site considering the effects of spatial correlation

JIANG Tong, CHEN Laiyun, XING Hailing, L? Xilin

Frontiers of Structural and Civil Engineering 2007, Volume 1, Issue 4,   Pages 430-435 doi: 10.1007/s11709-007-0058-3

Abstract: The spatial correlation of seismic ground motion, as well as the amplification of soft alluvium and theThe surface ground motion was calculated under incidence of the spatially correlative seismic motionFor indicating the effect of the spatial correlation of input motions, the horizontal uniform inputs,as well as the horizontal and vertical uniform input are carried out for the seismic response analysisFinally, some characteristics of seismic ground motion calculated for previously mentioned cases are

Keywords： surface ground     horizontal uniform     Finally     seismic ground     correlative seismic    

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Influence of soil foundation interaction simulation method on seismic response of Taizhou Bridge

Han Lei,Peng Tianbo and Zhao Yi

Strategic Study of CAE 2012, Volume 14, Issue 5,   Pages 51-56

Abstract: Seismic responses of these models are analyzed under ground motion inputs of El-Centro Earthquake and

Keywords： Taizhou Bridge     foundation simulation method     ground motion input     structual response    

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The issues related to determination of site specific design ground motion for nuclear power plants in

Li Xiaojun,He Qiumei,Hou Chunlin

Strategic Study of CAE 2013, Volume 15, Issue 4,   Pages 75-82

Abstract: motion for nuclear power plants, including the seismic hazard analysis methods, the ground motion attenuationrelations, and the methods of determining design ground motion parameter.The countermeasure change was analyzed to consider the uncertainty of ground motion attenuation relationand the ground motion attenuation relation of diffuse earthquake; the differences were discussed betweendesign ground motion parameters are mostly controlled by the computed results from the deterministic

Keywords： nuclear power plant     design ground motion     deterministic method     probabilistic method     ground motion    

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Uncertainty quantification of stability and damage detection parameters of coupled hydrodynamic-groundmotion in concrete gravity dams

Nazim Abdul NARIMAN, Tom LAHMER, Peyman KARAMPOUR

Frontiers of Structural and Civil Engineering 2019, Volume 13, Issue 2,   Pages 303-323 doi: 10.1007/s11709-018-0462-x

Abstract: In this paper, models of the global system of the Koyna dam have been created using ABAQUS software considering the dam-reservoir-foundation interaction. Non coupled models and the coupled models were compared regarding the horizontal displacement of the dam crest and the differential settlement of the dam base in clay foundation. Meta models were constructed and uncertainty quantification process was adopted by the support of Sobol’s sensitivity indices considering five uncertain parameters by exploiting Box-Behnken experimental method. The non coupled models results determined overestimated predicted stability and damage detection in the dam. The rational effects of the reservoir height were very sensitive in the variation of the horizontal displacement of the dam crest with a small interaction effect with the beta viscous damping coefficient of the clay foundation. The modulus of elasticity of the clay foundation was the decisive parameter regarding the variation of the differential settlement of the dam base. The XFEM approach has been used for damage detection in relation with both minimum and maximum values of each uncertain parameter. Finally the effects of clay and rock foundations were determined regarding the resistance against the propagation of cracks in the dam, where the rock foundation was the best.

Keywords： massed foundation     hydrodynamic pressure     Box-Behnken method     meta model     Sobol’s sensitivity indices    

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Mechanical responses of multi-layered ground due to shallow tunneling with arbitrary ground surface load

Frontiers of Structural and Civil Engineering 2023, Volume 17, Issue 5,   Pages 745-762 doi: 10.1007/s11709-023-0935-4

Abstract: An analytical model based on complex variable theory is proposed to investigate ground responses dueto shallow tunneling in multi-layered ground with an arbitrary ground surface load.The ground layers are assumed to be linear-elastic with full-stick contact between them.in multi-layered ground; thus, it can be used with assurance to estimate the ground movement and surfacecomposite ground.

Keywords： analytical model     mechanical response     multi-layered ground     shallow tunneling     ground surface load    

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Offline motion planning and simulation of two-robot welding coordination

Tie ZHANG, Fan OUYANG

Frontiers of Mechanical Engineering 2012, Volume 7, Issue 1,   Pages 81-92 doi: 10.1007/s11465-012-0309-4

Abstract: After that, the non master/slave scheme is chosen for the motion planning, the non master/slave scheme

Keywords： complex curve seam     two robots     coordinated welding     motion planning    

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Approximation of structural damping and input excitation force

Mohammad SALAVATI

Frontiers of Structural and Civil Engineering 2017, Volume 11, Issue 2,   Pages 244-254 doi: 10.1007/s11709-016-0371-9

Abstract: On the other hand, solving the inverse problem of the input force estimation and its distribution toIn this paper model-based damping approximation method and a model-less structural input estimation are

Keywords： structural modal parameters     damping identification method     input excitation force identification     Inverse    

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R&D of the ground-coupled heat pump technology in China

Nairen DIAO, Ping CUI, Junhong LIU, Zhaohong FANG,

Frontiers in Energy 2010, Volume 4, Issue 1,   Pages 47-54 doi: 10.1007/s11708-009-0080-3

Abstract: The ground-coupled heat pump (GCHP) systems have been identified as one of the best sustainable energyNew models are presented for efficient thermal analysis of ground heat exchangers, of which one- andtwo-dimensional solid cylindrical source models and their analytical solutions are devised to deal with pile ground

Keywords： ground source heat pump     ground heat exchanger     HVAC     China    

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INTERACTIONS BETWEEN ABOVE AND BELOW GROUND PLANT STRUCTURES: MECHANISMS AND ECOSYSTEM SERVICES

Frontiers of Agricultural Science and Engineering 2022, Volume 9, Issue 2,   Pages 197-213 doi: 10.15302/J-FASE-2021433

Abstract:

Interactions between above and below ground parts of plants can be considered under the (overlappingSolar energy powers photosynthesis and transpiration by above ground structures, and drives most wateruptake through roots and supplies energy as organic matter to below ground parts, including diazotrophicNO3– assimilation of above ground parts requires organic N transportInteraction of above and below ground plant parts is an important component of the ecosystem service

Keywords： aerenchyma / carbon accumulation / hormones / phloem / xylem    

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Shanghai center project excavation induced ground surface movements and deformations

Guolin XU, Jiwen ZHANG, Huang LIU, Changqin REN

Frontiers of Structural and Civil Engineering 2018, Volume 12, Issue 1,   Pages 26-43 doi: 10.1007/s11709-017-0439-1

Abstract: The following main items related to ground surface movements and deformations were collected: (1) wallsand circumferential soils lateral movements; (2) peripheral soil deflection in layers and ground settlements

Keywords： deep excavation     foundation pit     soft clay     top-down method     field observation     ground surface movements     ground    

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Greenhouse gas emissions mitigation and economic viability of sugar crops in China

Frontiers of Agricultural Science and Engineering doi: 10.15302/J-FASE-2023529

Abstract:

● Sugarcane and sugar beet yield and carbon footprint rose with time but profit declined

Keywords： Economic profits     GHG emissions     labor input     nitrogen input     sugar    

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Solar photovoltaic fed dual input LED lighting system with constant illumination control

Kinattingal SUNDARESWARAN,Kevin Ark KUMAR,Payyalore Raman VENKATESWARAN,Sankaran PALANI

Frontiers in Energy 2016, Volume 10, Issue 4,   Pages 473-478 doi: 10.1007/s11708-016-0420-z

Abstract: A dual input LED lighting scheme with constant illumination is proposed in this paper.The scheme employs a photovoltaic array as the first input and a battery as the second one.

Keywords： photovoltaic     LED light     dual input     P&O algorithm    

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Synthesis of Intermittent-Motion Linkages with Slight Difference in Length Between Links

CHEN Xin-bo, YU Zhen

Frontiers of Mechanical Engineering 2006, Volume 1, Issue 1,   Pages 76-79 doi: 10.1007/s11465-005-0007-6

Abstract:

The design of intermittent-motion linkages using traditional methods is usually complicated.In this paper, (1) a new method for realizing intermittent motion, using linkages with a slight differencein length between links, is studied; (2) some new types of intermittent-motion linkages and their softwarevisual analysis and design are developed; and (3) influences of some design parameters on intermittent-motionResults confirmed that the theory and the software are useful, making the synthesis of intermittent-motion

Keywords： synthesis     useful     intermittent     intermittent-motion     traditional    

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Cutting CO emissions through demand side regulation: Implications from multi-regional input–output linear

Frontiers of Engineering Management   Pages 452-461 doi: 10.1007/s42524-022-0209-1

Abstract: This study combines multi-regional input–output (MRIO) model with linear programming (LP) model to explore

Keywords： CO2 emissions     demand side regulation     multi-regional input–output model     linear programming    

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Design and modeling of continuum robot based on virtual-center of motion mechanism

Frontiers of Mechanical Engineering 2023, Volume 18, Issue 2, doi: 10.1007/s11465-022-0739-6

Abstract: The flexural virtual-center of motion (VCM) mechanism can be machined integrally, and this way eliminatesFurthermore, the motion performance of the designed continuum robot is evaluated.

Keywords： VCM mechanism     continuum robot     flexural joint     pseudo-rigid body model     cable-driven    

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Title Author Date Type Operation

Seismic ground motion analysis of Shanghai Pudong Airport site considering the effects of spatial correlation

JIANG Tong, CHEN Laiyun, XING Hailing, L? Xilin

Journal Article

Influence of soil foundation interaction simulation method on seismic response of Taizhou Bridge

Han Lei,Peng Tianbo and Zhao Yi

Journal Article

The issues related to determination of site specific design ground motion for nuclear power plants in

Li Xiaojun,He Qiumei,Hou Chunlin

Journal Article

Uncertainty quantification of stability and damage detection parameters of coupled hydrodynamic-groundmotion in concrete gravity dams

Nazim Abdul NARIMAN, Tom LAHMER, Peyman KARAMPOUR

Journal Article

Mechanical responses of multi-layered ground due to shallow tunneling with arbitrary ground surface load

Journal Article

Offline motion planning and simulation of two-robot welding coordination

Tie ZHANG, Fan OUYANG

Journal Article

Approximation of structural damping and input excitation force

Mohammad SALAVATI

Journal Article

R&D of the ground-coupled heat pump technology in China

Nairen DIAO, Ping CUI, Junhong LIU, Zhaohong FANG,

Journal Article

INTERACTIONS BETWEEN ABOVE AND BELOW GROUND PLANT STRUCTURES: MECHANISMS AND ECOSYSTEM SERVICES

Journal Article

Shanghai center project excavation induced ground surface movements and deformations

Guolin XU, Jiwen ZHANG, Huang LIU, Changqin REN

Journal Article

Greenhouse gas emissions mitigation and economic viability of sugar crops in China

Journal Article

Solar photovoltaic fed dual input LED lighting system with constant illumination control

Kinattingal SUNDARESWARAN,Kevin Ark KUMAR,Payyalore Raman VENKATESWARAN,Sankaran PALANI

Journal Article

Synthesis of Intermittent-Motion Linkages with Slight Difference in Length Between Links

CHEN Xin-bo, YU Zhen

Journal Article

Cutting CO emissions through demand side regulation: Implications from multi-regional input–output linear

Journal Article

Design and modeling of continuum robot based on virtual-center of motion mechanism

Journal Article